Mechanical Characteristics of Ballast Bed under Dynamic Stabilization Operation Based on Discrete Element and Experimental Approaches

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Contact parameters</td><td class="align_center">Between ballast particles</td><td class="align_center">Between ballast particle and sleeper</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Restitution coefficient <i>e</i></td><td class="align_center">0.5</td><td class="align_center">0.5</td></tr><tr><td class="align_left">Static friction coefficient <i>μ</i><sub><i>s</i></sub></td><td class="align_center">0.7</td><td class="align_center">0.4</td></tr><tr><td class="align_left">Rolling friction coefficient <i>μ</i><sub><i>r</i></sub></td><td class="align_center">0.2</td><td class="align_center">0.1</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Shock and Vibration

tab4

Table 4

Table 4: Mechanical Characteristics of Ballast Bed under Dynamic Stabilization Operation Based on Discrete Element and Experimental Approaches 